Bug Could not find Sub Graph asset with GUID

Hi,

after downloading a project from Unity Collab, all Shadergraphs connected to Subgraphs have the same error.

 

Hi again,

my teammates and me found out, whoever repairs this bug, it get fixed only for his/her local copy of the project.
This basically means only one team member can have the repaired Shadergraphs. As soon as somebody else push an update, the Shadergraphs get broken again.

 

What happens when you simply do a re-import of the graphs and subgraphs?

 

Hi, this was already one of the things we tried weeks ago.
This does not solve the problem.

ScriptedImporter for asset: Assets/Shaders/Subgraphs/SmoothTriangleWave.shadersubgraph, reported an invalid import dependency: 00000000000000000000000000000000

Error in Graph at Assets/Shaders/Subgraphs/SmoothTriangleWave.shadersubgraph at node SmoothCurve: Could not find Sub Graph asset with GUID 021f3f0f74200000042f3f0f74200000.

 

Ok, it seems as though you have to copy the root folder or folders of the graphs, otherwise it won't copy the metadata I think.
I found the answer here:
https://forum.unity.com/threads/error-message-could-not-find-subgraph-asset-with-guid.985650/

 

This didn't work for me. I copied the parent folder, as just exporting and importing an asset didn't work and I get the same error. This is beyond infuriating, I made a pretty complicated Shader graph with 2 sub-graphs over 4 hours in a separate project. Finally got it working and now I want to bring it to my main project and I can't.